V774 Tau

HIP 19859 DoubleStar Tau Visible Level 1 Naked eye / Binoculars - Requires steady seeing

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Physical Properties

Magnitude 6.31

Spectral Type G0IV

Star Color Yellow (B-V 0.59)

Position & Identifiers

RA 04h 15m 29.2s

Dec +06° 11' 12.0"

Constellation Tau

HR 1322

HIP 19859

Variable ID V774 Tau

Double Cat 3085

Visibility

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Multiple Star System

Components 4

Component IDs AB

Separation 64.6″

Companion Mag 7.0

Companion Sp G3V

Position Angle 316°

Star Colors A: Yellow B: Yellow

Discoverer STTA 45

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 64.6″ · PA: 316° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Notes

Variable Star

6.28 - 6.37V.

Double Star

CPM with HR 1321.

Survey Image

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